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| Total Fertility Rate× | Mean Age at Childbearing× | |
|---|---|---|
| 분야 | 인구학 | 인구학 |
| 계열 | Process / pipeline | Process / pipeline |
| 기원 연도≠ | 2001 | 1968 |
| 창시자≠ | Classical demographic index (formalized by Preston, Heuveline & Guillot) | Standard demographic practice (fertility schedule moments) |
| 유형≠ | Period summary fertility index synthesizing age-specific fertility rates | Summary location measure of the age pattern of fertility |
| 원전 | Preston, S. H., Heuveline, P., & Guillot, M. (2001). Demography: Measuring and Modeling Population Processes. Blackwell. ISBN: 9781557864512 | Preston, S. H., Heuveline, P., & Guillot, M. (2001). Demography: Measuring and Modeling Population Processes. Blackwell. ISBN: 9781557864512 |
| 별칭 | TFR, Period total fertility rate, Sum of age-specific fertility rates, Toplam Doğurganlık Hızı | MAC, Mean age of the fertility schedule, Mean age of mothers at birth, Ortalama Doğurganlık Yaşı |
| 관련 | 4 | 4 |
| 요약≠ | The total fertility rate (TFR) is the central period measure of fertility in demography: the average number of children a woman would bear over her lifetime if she experienced, at each age, the age-specific fertility rates observed in a given year. Computed by summing age-specific fertility rates across the reproductive ages, the TFR removes the influence of population age structure and gives a single, intuitive figure — children per woman — that is comparable across populations and over time. | The mean age at childbearing is the average age of mothers at the birth of their children, computed as the fertility-rate-weighted mean of maternal age over the age-specific fertility schedule. As the first moment of the fertility curve, it summarizes the tempo — the timing — of childbearing in a single number, complementing the total fertility rate, which measures quantum, or how many children are born. |
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